Home / 169,072.07-233,279.42-100,126.72

Finding the Fourth Proportional to 169,072.07, 233,279.42 and 100,126.72

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Solution

The fourth proportional to 169,072.07, 233,279.42 and 100,126.72 is: 138,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,072.07 : 233,279.42 = 100,126.72 : x
  2. Step 2: Convert to fraction form
    169,072.07/233,279.42 = 100,126.72/x
  3. Step 3: Cross multiply
    169,072.07x = 233,279.42 × 100,126.72
  4. Step 4: Simplify right side
    169,072.07x = 23,357,502,084.27
  5. Step 5: Solve for x
    x = 23,357,502,084.27/169,072.07
  6. Step 6: Final answer
    x = 138,151.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.